Disk cartridge



FIG. 1 is a rear elevational view of disk cartridge showing my new design;

FIG. 2 is a right side elevational view thereof; and,

FIG. 3 is a top plan view thereof.

The broken line portions showing in the drawings are for illustrative purpose only and form no part of the claimed design. 

The ornamental design for a disk cartridge, as shown and described. 